/** 
 * @file llplacesinventorybridge.cpp
 * @brief Implementation of the Inventory-Folder-View-Bridge classes for Places Panel.
 *
 * $LicenseInfo:firstyear=2009&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "llmenugl.h"

#include "llplacesinventorybridge.h"

#include "llfloaterinventory.h" // for LLInventoryPanel
#include "llfolderview.h" // for FIRST_SELECTED_ITEM
#include "llinventorypanel.h"


static const std::string LANDMARKS_INVENTORY_LIST_NAME("landmarks_list");

bool is_landmarks_panel(const LLInventoryPanel* inv_panel)
{
	if (NULL == inv_panel)
		return false;
	return inv_panel->getName() == LANDMARKS_INVENTORY_LIST_NAME;
}

void fill_items_with_menu_items(std::vector<std::string>& items, LLMenuGL& menu)
{
	LLView::child_list_const_iter_t itor;
	for (itor = menu.beginChild(); itor != menu.endChild(); ++itor)
	{
		std::string name = (*itor)->getName();
		items.push_back(name);
	}
}

// virtual
void LLPlacesLandmarkBridge::buildContextMenu(LLMenuGL& menu, U32 flags)
{
	std::vector<std::string> items;
	std::vector<std::string> disabled_items;

	if(isItemInTrash())
	{
		items.push_back(std::string("Purge Item"));
		if (!isItemRemovable())
		{
			disabled_items.push_back(std::string("Purge Item"));
		}

		items.push_back(std::string("Restore Item"));
	}
	else
	{
		fill_items_with_menu_items(items, menu);

		// Disabled items are processed via LLLandmarksPanel::isActionEnabled()
		// they should be synchronized with Places/My Landmarks/Gear menu. See EXT-1601 
	}

	hide_context_entries(menu, items, disabled_items);
}



void LLPlacesFolderBridge::buildContextMenu(LLMenuGL& menu, U32 flags)
{
	std::vector<std::string> items;
	std::vector<std::string> disabled_items;

	LLInventoryPanel* inv_panel = mInventoryPanel.get();
	bool is_open = false;
	if (inv_panel)
	{
		LLFolderViewFolder* folder =  dynamic_cast<LLFolderViewFolder*>(inv_panel->getItemByID(mUUID));
		is_open = (NULL != folder) && folder->isOpen();
	}

	// collect all items' names
	fill_items_with_menu_items(items, menu);

	// remove expand or collapse menu item depend on folder state
	std::string collapse_expand_item_to_hide(is_open ? "expand" :  "collapse");
	std::vector<std::string>::iterator it = std::find(items.begin(),  items.end(), collapse_expand_item_to_hide);
	if (it != items.end())	items.erase(it);


	// Disabled items are processed via LLLandmarksPanel::isActionEnabled()
	// they should be synchronized with Places/My Landmarks/Gear menu. See EXT-1601 

	// repeat parent functionality
 	sSelf = getHandle(); // necessary for "New Folder" functionality

	hide_context_entries(menu, items, disabled_items);
}

//virtual
void LLPlacesFolderBridge::performAction(LLInventoryModel* model, std::string action)
{
	if ("expand" == action)
	{
		LLFolderViewFolder* act_folder = getFolder();
		act_folder->toggleOpen();
	}
	else if ("collapse" == action)
	{
		LLFolderViewFolder* act_folder = getFolder();
		act_folder->toggleOpen();
	}
	else
	{
		LLFolderBridge::performAction(model, action);
	}
}

LLFolderViewFolder* LLPlacesFolderBridge::getFolder()
{
	LLFolderViewFolder* folder = NULL;
	LLInventoryPanel* inv_panel = mInventoryPanel.get();
	if (inv_panel)
	{
		folder =    dynamic_cast<LLFolderViewFolder*>(inv_panel->getItemByID(mUUID));
	}

	return folder;
}

// virtual
LLInvFVBridge* LLPlacesInventoryBridgeBuilder::createBridge(
	LLAssetType::EType asset_type,
	LLAssetType::EType actual_asset_type,
	LLInventoryType::EType inv_type,
	LLInventoryPanel* inventory,
	LLFolderViewModelInventory* view_model,
	LLFolderView* root,
	const LLUUID& uuid,
	U32 flags/* = 0x00*/) const
{
	LLInvFVBridge* new_listener = NULL;
	switch(asset_type)
	{
	case LLAssetType::AT_LANDMARK:
		if(!(inv_type == LLInventoryType::IT_LANDMARK))
		{
			llwarns << LLAssetType::lookup(asset_type) << " asset has inventory type " << LLInventoryType::lookupHumanReadable(inv_type) << " on uuid " << uuid << llendl;
		}
		new_listener = new LLPlacesLandmarkBridge(inv_type, inventory, root, uuid, flags);
		break;
	case LLAssetType::AT_CATEGORY:
		if (actual_asset_type == LLAssetType::AT_LINK_FOLDER)
		{
			// *TODO: Create a link folder handler instead if it is necessary
			new_listener = LLInventoryFolderViewModelBuilder::createBridge(
				asset_type,
				actual_asset_type,
				inv_type,
				inventory,
				view_model,
				root,
				uuid,
				flags);
			break;
		}
		new_listener = new LLPlacesFolderBridge(inv_type, inventory, root, uuid);
		break;
	default:
		new_listener = LLInventoryFolderViewModelBuilder::createBridge(
			asset_type,
			actual_asset_type,
			inv_type,
			inventory,
			view_model,
			root,
			uuid,
			flags);
	}
	return new_listener;
}

// EOF
